Stock-Based Compensation and Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

The following is a summary of option activity for the six months ended June 30, 2018:



	Number of Options		Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Term (in years)	Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2018	7,918,853		$	5.75	—	—
Granted	1,031,550		$	5.41	—	—
Exercised	(380,151	)	$	0.55	—	—
Forfeited	(211,743	)	$	8.16	—	—
Expired	(93,402	)	$	11.81	—	—
Outstanding at June 30, 2018	8,265,107		$	5.82	6.1	$	22,721
Exercisable at June 30, 2018	6,393,532		$	5.62	5.4	$	20,300
Vested or expected to vest as of June 30, 2018	8,142,643		$	5.82	6.1	$	22,521

Schedule of Activities of RSUs

The following table summarizes our Restricted Stock Units ("RSUs") and Performance Restricted Stock Units ("PRSUs") activity during the six months ended June 30, 2018:



	Number of RSUs		Weighted-Average Grant Date Fair Value
Unvested at January 1, 2018	3,342,640		$	6.18
RSUs and PRSUs granted	1,037,461		$	5.33
RSUs vested	(365,198	)	$	7.05
RSUs forfeited/expired	(328,328	)	$	6.42
Unvested at June 30, 2018	3,686,575		$	5.84
Expected to vest after June 30, 2018	3,129,517		$	5.94

Schedule of Stock-based Compensation Expense

Stock-based compensation expense related to stock options, RSUs, PRSUs and the Employee Stock Purchase Plan ("ESPP") are included in the following line items in our accompanying consolidated statements of operations for the three months and six months ended June 30, 2018 and 2017 (in thousands):



	Three Months Ended June 30,				Six Months Ended June 30,
	2018		2017		2018		2017
Sales and marketing	$	505	$	521	$	1,040	$	1,292
Technology and analytics	657		542		1,253		1,325
Processing and servicing	94		157		201		330
General and administrative	1,538		1,754		3,510		3,518
Total	$	2,794	$	2,974	$	6,004	$	6,465